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Finding the Fourth Proportional to 270,081.27, 405,182.12 and 101,603.03

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Solution

The fourth proportional to 270,081.27, 405,182.12 and 101,603.03 is: 152,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,081.27 : 405,182.12 = 101,603.03 : x
  2. Step 2: Convert to fraction form
    270,081.27/405,182.12 = 101,603.03/x
  3. Step 3: Cross multiply
    270,081.27x = 405,182.12 × 101,603.03
  4. Step 4: Simplify right side
    270,081.27x = 41,167,728,559.90
  5. Step 5: Solve for x
    x = 41,167,728,559.90/270,081.27
  6. Step 6: Final answer
    x = 152,427.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.